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In Preparation For Night Time Observing

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Author Topic: In Preparation For Night Time Observing  (Read 647 times)
rjgjr
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« on: July 24, 2011, 04:15:39 pm »

Although I doubt if the weight of one or two people walking on a structural concrete slab is going to transmit through to the concrete pier causing vibration, a structural concrete slab would be a much better support for a shed and roll-off roof. Leave a 1/2" gap between the slab and pier, place foam backer rod and a good construction caulking sealent and you're ready to go.
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